TISA

Tisa: international calls, Mobile SIMs and Travel SIMs, all in one app.

Call home for pennies, get a UK mobile SIM, or grab data for your next trip — Tisa brings your whole calling and connectivity life into one simple, ad-free app. Trusted by diaspora families since 2007.

INTERNATIONAL CALLS
• Crystal-clear calls over Wi-Fi or mobile data
• Rates from just 1p/min to 200+ countries
• Your own number as caller ID
• £1 free credit when you sign up — try before you top up
• No ads. No subscriptions. Pay only for what you use.

MOBILE SIMs (UK)
• Great-value UK plans with generous data + Roam Like at Home in the EU
• eSIM or physical SIM — set up in minutes
• Unlimited UK calls & texts, plus free international minutes on eligible plans
• Manage it all in-app: data usage, bundles, upgrades and bills
• Add SIMs for family and manage them together

TRAVEL SIMs
• Travel eSIMs for 190+ destinations — install before you fly
• Buy in seconds, activate on arrival, no shock roaming bills
• Keep your usual number for calls & texts
• See your remaining data, validity and packages in one place

WHY TISA?
• Since 2007, a name families trust
• No ads, ever, not now, not in the future
• No lock-in and no surprise fees
• Refer friends and gift calling credit to loved ones
• Friendly UK-based support